a Fu 
branches distant. Tufts bright or yellowish green. Dioecious. 
— Clayey ground or stones in subalp. region r. Eur. Germany: 
P. G. Lorentz. 
10.R.Roellii Renauld et Cardot. 
Leaves with short serrate often twisted point, small; periche- 
tial dentate at acumen. Capsule oblong often curved; teeth 
pale yellow, papillose above; segments rimose or entire; cilia 
often long; lid rostrate; pedicel not long. Stem red sparingly 
tadiculose; branches distant. Tufts bright green. Monoecious. 
— Logs r. Amer. Pacif. distr. Can.: Macoun. U. S.: Roell. 
B. Leaves not distinctly curved, gen. quite entire. 
a. Leaves subulate-acuminate. 
li.:Rexpallens C. M. et Kindb. — Entodon cat. Canad. m. 
Leaves large ovate-lanceolate or ovate-obiong with not long, 
sometimes faintly denticulate and at apex often deflexed acu- 
men, not or indistinctly recurved; upper cells linear, alar large. 
Capsules unknown. Resembles Brachythecium rivulare. Dioecious. 
— Bogs by springs r. Amer, Can.: Macoun. U. S.: James, com. 
C. Mueller. 
. 12.R.earolinianum C. Mueller. — Hypnum C. M. syn. 
»Leaves narrowly ovate-lanceolate acuminate, recurveil all 
around; perichetial entire. Capsule small obovate inclined. 
Branches compressed somewhat long and flaccid, dusky vello- 
wish; stem long. Monoecious. — Wet rocks r. Amer. U. S.: 
Sullivant»: C. M. 
. b. Leaves obtusate (obtuse or acute). 
13.R.Kegelii C. Mueller, — Leskea C. M.; Raphidostegium 
Renauld et Cardot; Hypnum C. M. syn. 
Leaves small ovate more or less recurved; upper cells rhom- 
bic-oblong, lower lanceolate, alar small. Capsule narrowly cy- 
lindric subarcuate; pedicel somewhat long. Tufts dirty green. 
onoecious. »Peristomial teeth short yellow»: C. M. syn. — 
Trees r. Amer. U. S.: Langlois, com. Cardot. 
III. Pseudo-Pylaisia Kindb. i 
14.R.cylindricarpum C. Mueller. — Hypnum C. M.; Sulliv. 
lC. m. 
Leaves ovate-lanceolate curved, recurved below and (as the 
perichetial) serrate at acumen; alar cells large hyaline, the 
others linear. Capsule cylindric; teeth yellow; segments rimose; 
pedicel somewhat long. Tufts intricate us. brown-green or faintly 
glossy. Dioecious. — Logs in woods r. Amer. U. $.: Sullivant, 
com.C, Mueller;Purpus, com. Roell;Peck, herb. Austin, com. Macoun. 
